Magnetic flow switching type axial magnetic field magnetoelectric machine with middle stator structure

A magnetic flux switching, permanent magnet motor technology, applied in the shape/pattern/structure of the magnetic circuit, the shape/pattern/structure of the winding conductor, electrical components, etc., can solve the problem of unsuitable motors, and achieve high utilization and heat dissipation. The effect of good performance and short axial dimension

Inactive Publication Date: 2010-01-06
SOUTHEAST UNIV
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Problems solved by technology

Unfortunately, most of the current research on permanent magnet flux switching motors focuses on radial field motors, which

Method used

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  • Magnetic flow switching type axial magnetic field magnetoelectric machine with middle stator structure
  • Magnetic flow switching type axial magnetic field magnetoelectric machine with middle stator structure
  • Magnetic flow switching type axial magnetic field magnetoelectric machine with middle stator structure

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[0024] The magnetic flux switching type axial field permanent magnet motor with an intermediate stator structure proposed in the present invention is a double air gap permanent magnet motor composed of a stator and two rotors. The stator and the rotor are coaxially installed, and the stator is sandwiched between the two rotors. There is an air gap between the rotor and the stator. The two rotors have exactly the same structure and are symmetrical about the stator. The stator is composed of a concentrated winding composed of 6a H-shaped conductor cores, 6a permanent magnets and 6a coils. The H-shaped stator core and permanent magnets are alternately placed to form a disk, and the magnetizing directions of two adjacent permanent magnets in the stator are opposite. The 2a coils on each side of the stator are divided into three phases, and the four coils whose radial centerlines are perpendicular to each other (such as figure 1 The four coils A1, A2, A3 and A4) are connected in se...

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Abstract

The invention relates to a magnetic flow switching type axial magnetic field magnetoelectric machine with a middle stator structure, which is a double-air gap magnetoelectric machine consisting of a stator (1) and two rotors (2). The stator (1) and the rotors (2) are coaxially arranged; the stator (1) is clamped between the two rotors (2); air gaps with a certain thickness are reserved between the rotors (2) and the stator (1); and each stator (1) consists of 12 H-shaped stator iron cores (5), 12 permanent magnets (6) and 12 coils (7), wherein the H-shaped stator iron cores (5) and the permanent magnets (6) are alternately placed to form a disk; the H-shaped stator iron cores (5) and the permanent magnets (6) on the stator (1) correspond to each other, but the permanent magnets in the stator alternately charge magnetism along the circumferential direction; the permanent magnets and concentrated armature windings are all arranged on the stator; and neither permanent magnets nor armature windings are arranged on the rotors. The simple rotor structure can effectively improve the running reliability of the magnetoelectric machine; the axial magnetic field structure enables the axial dimension of the magnetic field to be shortened, and thereby the magnetoelectric machine has higher power density; and an outer rotor structure enables the rotor to play a fan role when the rotor rotates.

Description

technical field [0001] The invention relates to an axial field permanent magnet motor with an intermediate stator structure and flux switching type, which is an improvement to the traditional intermediate stator structure axial field permanent magnet motor and belongs to the technical field of permanent magnet motors. Background technique [0002] my country is rich in rare earth resources. The reserves of rare earth ores are about four times that of other countries in the world. The output of rare earth ores and rare earth permanent magnets ranks among the top in the world. The scientific research level of rare earth permanent magnet materials and rare earth permanent magnet motors has also reached the international advanced level. Therefore, it has important theoretical significance and engineering practical value to give full play to the advantages of my country's rich rare earth resources and vigorously research and promote the application of various permanent magnet mot...

Claims

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Application Information

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IPC IPC(8): H02K16/02H02K1/17H02K3/28H02K1/14H02K1/24
Inventor 林明耀张磊林克曼李婉
Owner SOUTHEAST UNIV
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